"The Murder Machine!" 1st appearance of Vigilante. Continued from New Teen Titans (Tales of...) #34. Manhattan District Attorney Adrian Chase has been murdered. Mafioso Anthony Scarapelli is the man responsible. Chase was Robin's friend. This means it's time for the Titans to take on the New York mafia. However, the mysterious Monitor (see also Crisis on Infinite Earths #1) hires deadly assassins to take out the super-powered teenagers. Can even the Titans survive an encounter with the Scorcher, Spear, Bazooka, Slasher, Tanker, and Cheshire. Plus, introducing an enigmatic man known as the Vigilante who is judge, jury, and executioner all rolled up into one. 48 pages